package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.model.wemedia.dtos.WmLoginDto;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.utils.common.Jwtutil;
import com.heima.utils.common.MD5Utils;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {

    @Override
    public ResponseResult login(WmLoginDto dto) {
        //1.检查参数
        if(StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())){
            return ResponseResult.error(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码为空");
        }

        //2.查询用户
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, dto.getName()));
        if(wmUser == null){
            return ResponseResult.error(AppHttpCodeEnum.DATA_NOT_EXIST);
        }

        //3.比对密码
//        String salt = wmUser.getSalt();
//        String pswd = dto.getPassword();
//        pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
        String pswd = MD5Utils.encodeWithSalt(dto.getPassword(), wmUser.getSalt());
        if(pswd.equals(wmUser.getPassword())){
            //4.密码正确 封装用户数据-》颁发jwt令牌
            Map<String,Object> payloadmap = new HashMap<String,Object>();
            payloadmap.put("id",wmUser.getId());
            payloadmap.put("name",wmUser.getName());
            payloadmap.put("phone",wmUser.getPhone());
            payloadmap.put("image",wmUser.getImage());
            Map<String,Object> map  = new HashMap<>();
            map.put("token", Jwtutil.token(payloadmap));//办法令牌：Map-》token
            map.put("user",payloadmap);
            return ResponseResult.okResult(map);
        }else {
            return ResponseResult.error(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
    }

    /**
     * 添加审核通过的普通用户
     * @param apUser
     * @return
     */
    @Override
    public ResponseResult addUser(ApUser apUser) {
        WmUser wmUser = new WmUser();
        BeanUtils.copyProperties(apUser, wmUser);
        wmUser.setCreatedTime(new Date());
        save(wmUser);
        System.out.println("用户审核通过，添加成功！");
        return ResponseResult.okResult();
    }
}